| ITF Poland F4 | 2018/05/21 07:00 | Michal Dembek v Filip Kolasinski | 6-3,6-2 |
| Challenger Szczecin | 2019/09/11 11:30 | Filip Kolasinski v Facundo Arguello | 4-6,6-7 |
| Challenger Szczecin | 2019/09/10 16:15 | Filip Kolasinski v Louis Wessels | 6-3,7-5 |
| ITF M25 Poznan | 2019/08/22 14:25 | Diego Hidalgo v Filip Kolasinski | 6-3,7-5 |
| ITF M25 Poznan | 2019/08/21 10:00 | Piotr Matuszewski v Filip Kolasinski | 2-6,6-4,5-7 |
| ITF M25 Poznan | 2019/08/20 08:00 | Karol Drzewiecki v Filip Kolasinski | 7-5,5-7,10-12 |
| ITF M15 Irpin | 2019/08/14 07:30 | Vladyslav Orlov v Filip Kolasinski | 6-1,6-4 |
| ITF M15 Irpin | 2019/08/13 10:20 | Filip Kolasinski v Aleksandr Braynin | 6-4,6-0 |
| ITF M15 Irpin | 2019/08/12 12:00 | Simonas Zukauskas v Filip Kolasinski | 1-6,1-6 |
| ITF M15 Loule | 2020/03/10 11:35 | Nicolo Turchetti v Michal Dembek | 6-4,4-6,6-4 |
| ITF M15 Faro | 2020/03/04 10:00 | Yannick Mertens v Michal Dembek | 6-2,7-5 |
| ITF M15 Heraklion | 2020/02/12 09:30 | Michal Dembek v Petros Tsitsipas | 7-5,2-6,6-7 |
| ITF M15 Antalya | 2019/12/17 07:00 | Michal Dembek v Ivan Nedelko | 7-6,5-7,2-6 |
| ITF M15 Antalya Qual | 2019/12/09 07:00 | Michal Dembek v Igor Saveljic | 1-6,6-7 |
| ITF M15 Monastir | 2019/11/27 12:40 | Michal Dembek v Benjamin Lock | 6-7,2-6 |
| ITF M15 Prague | 2019/11/06 13:00 | Illya Beloborodko v Michal Dembek | 6-2,7-6 |
| ITF M15 Opava | 2019/11/01 08:55 | Jaroslav Pospisil v Michal Dembek | 4-6,6-3,6-4 |